2018 Long Range Weather Forecast for Tonkawa, OK

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How to Read Long-Range Weather Forecasts

Long-range predictions show weather trends in temperatures and precipitation. For example, will the winter be colder or warmer than average? Will there be more or less snow than what's typical for your area? Our famous predictions (traditionally 80% accurate) are made 18 months in advance, and meant to help you make more informed decisions for long-term planning.

Annual Weather Summary: November 2017 to October 2018

Winter will be colder than normal, with above-normal precipitation. The coldest periods will be from late November into early December, from late December into early January, and in early February. Snowfall will be near to above normal, with the snowiest periods in late December and early to mid-February. April and May will be cooler and rainier than normal. Summer will be cooler and rainier than normal, with the hottest periods in mid-July and mid-August. Expect a hurricane threat in late August. September and October will be warmer and rainier than normal. Watch for a tropical storm threat in early September.